Estimation of uncertainty in routine pH measurement

... rigorously determined That is – uncertainty is already introduced by the definition of pH [6, 10, 16] However, in routine pH determination this fundamental uncertainty (which in the case of the NBS ... uncertainty originating directly from the operation of measurement of the unknown solution It includes the following components: Repeatability of pH measurement...

Ngày tải lên: 25/08/2016, 19:46

... approximate the uncertainty by taking the two end points on the calculated uncertainty curve and use the straight line containing those points as the uncertainty In this example, the uncertainty for ... of the uncertainty We begin with an explanation of how our uncertainty evaluations are made Following this general discussion we present a number of detailed exampl...

Ngày tải lên: 20/06/2014, 18:20

... layer is computed using equation 13 (13) www.intechopen.com Estimation of uncertainty in predicting ground level concentrations from direct source releases in an urban area using the USEPA’s AERMOD ... www.intechopen.com Estimation of uncertainty in predicting ground level concentrations from direct source releases in an urban...

Ngày tải lên: 27/07/2014, 23:24

... overall pKa value is acceptable as long as the overall pKa value lies within the limits of ex- panded uncertainty pKax–U(pKax) pKax+U(pKax) According to this approach the drift in Table is acceptable ... the amounts and concentrations of the solutions a[ H+] and the ratio a[ A–] /a[ HA] can be calculated and a Ka (and pKa) value can be calculated for every point of the titratio...

Ngày tải lên: 25/08/2016, 19:46

... The Treatment of Uncertainty in EPA’s Analysis of Air Pollution Rules: A Status Report Arthur G Fraas Abstract An understanding of the uncertainty in benefit and cost estimates is a critical ... analyses—as well as the other quantitative analyses developed in the RIA in assessing the uncertainty in the health benefits estimates Qualitative...

Ngày tải lên: 06/03/2014, 19:20

... Table 1: Initial test results for human-machine dialogues, showing task completion and average length the TownInfo corpus of dialogues, which was collected using the TownInfo human-machine dialogue ... each attempting tasks in the TownInfo domain (searching for hotels and restaurants in a fictitious town), resulting in 90 test dialogues The users each attempted tasks with the MDP...

Ngày tải lên: 31/03/2014, 00:20

... Dilemmas in the reliable estimation of the in- vitro cell viability in magnetic nanoparticle engineering: which tests and what protocols? Clare Hoskins1, Lijun Wang*1, Woei Ping Cheng2 and ... either the presence of the MNPs both intracellular and on the membrane of the cells or the nanoparticles themselves interfere with the reagents In...

Ngày tải lên: 20/06/2014, 20:20

... of factors including an increase in the coating diameter upon addition of the PEG moiety [33], thus increasing the stability of the nanoparticles and further shielding the cells from the iron oxide ... either the presence of the MNPs both intracellular and on the membrane of the cells or the nanoparticles themselves interfere with the reagents In our...

Ngày tải lên: 21/06/2014, 17:20

... results in a factorization step as in the following In the presence of rounding errors (or in case of near dependence) we obtain entries of order eB in place of the diagonal zero (This even holds ... addresses in the following columns in table IV are derived directly from the level codes in the data (table 77) allocating one equation for each trait within each level po...

Ngày tải lên: 09/08/2014, 18:22

... performance of the Erns ELISA was not influenced by heat inactivation, which can be an advantage in laboratories where sera are often subject to several analyses and therefore heat-inactivated ... determined in all sera using a commercial indirect ELISA (BVDV- Ab SVANOVIR™, SVANOVA Biotech AB, Uppsala, Sweden) 1.3 Heat inactivated sera To study the influence of heat inactivati...

Ngày tải lên: 12/08/2014, 18:21

... detection of highly polymorphic DNA sequences, such as minisatellites (Jeffreys et al, 1985) Depending on the species being studied, problem lies in finding a highly polymorphic system or a combination ... development of a calibration curve using defined strains of chickens Genetics 125, 161-165 success Lewin R (1989) Limits to DNA fingerprinting Science 243, 1549-1551 Lync...

Ngày tải lên: 14/08/2014, 20:20

... when only data from these generations are available In the former case, the component of variance estimates the genetic variance in the base population, and in the latter the genetic variance in ... Proceeding in this way, estimates of the genetic variance in the base population are 10.18 (p 10%) and 10.23 (p = 25%) These values are very cl...

Ngày tải lên: 14/08/2014, 20:20

... field of strategic management has used the concepts of uncertainty from these disciplines and applied them to the issues of the firm, including the existence and the boundary of the firm Transaction ... limited role in those topics Therefore, search for a type of uncertainty in resource-based theory also allows us to compare the role of uncert...

Ngày tải lên: 02/11/2014, 00:48

... studied Uncertainty estimation of BEF 137 and volume models (Fig 5) Examining the sensitivity in uncertainty of the BEF by ignoring the uncertainty in stand age increased the error in young and ... 60% of constant intraplot residual variance showed that the best way to increase the precision of BEFs would be the reduction in error of the biomass In th...

Ngày tải lên: 07/08/2014, 16:20

... involved gathering the data for use in training and testing the neural network A large training data reduces the risk of under-sampling the nonlinear function, but increases the training time ... learn the database, and to predict the properties of consolidation SELECTION OF STRAIN RATE r= V − Vmin Vmax − Vmin Data Collection Data Normalization Parametric Studies...

Ngày tải lên: 22/03/2013, 15:01